CIK 0001653087 · Accelerated filer<br>Smaller reporting company
Alector, Inc.
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- ALEC
- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- FY end
- Dec 31
- Entity type
- operating
- EIN
- 822933343
- Phone
- 415-231-5660
- Business address
- 131 OYSTER POINT BLVD., SUITE 600, SOUTH SAN FRANCISCO, CA, 94080
- Former names
- Alector LLC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $296,087
- in 3 filings
Net −$296,087. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 76 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-19 | Rosenthal Arnon Chief Executive Officer | Gift | +350,000 | 1,002,500 | ||
| 2026-07-09 | Wong-Sarad Grace Principal Accounting Officer | Grant or award | +20,000 | 115,461 | ||
| 2026-06-17 | Yaffe Kristine Director | Grant or award | +28,700 | 124,109 | ||
| 2026-06-17 | Yaffe Kristine Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2026-06-17 | GAROFALO ELIZABETH A. Director | Grant or award | +28,700 | 118,650 | ||
| 2026-06-17 | GAROFALO ELIZABETH A. Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2026-06-17 | Hammond Paula Director | Grant or award | +28,700 | 103,609 | ||
| 2026-06-17 | Hammond Paula Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2026-06-17 | SCHELLER RICHARD H Director | Grant or award | +28,700 | 134,899 | ||
| 2026-06-17 | SCHELLER RICHARD H Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2026-06-17 | Altmeyer Mark Director | Grant or award | +28,700 | 98,650 | ||
| 2026-06-17 | Altmeyer Mark Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2026-06-17 | DESOUZA ERROL B Director | Grant or award | +28,700 | 98,650 | ||
| 2026-06-17 | DESOUZA ERROL B Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2026-06-17 | LAVIGNE LOUIS J JR Director | Grant or award | +28,700 | 128,109 | ||
| 2026-06-17 | LAVIGNE LOUIS J JR Director | Grant or award · Stock Option (right to buy) | +9,450 | 9,450 | ||
| 2026-06-03 | Wong-Sarad Grace Principal Accounting Officer | Sale | −3,475 | $1.88 | $7K | 95,461 |
| 2026-06-02 | Rosenthal Arnon Chief Executive Officer | Sale | −87,216 | $1.97 | $172K | 2,367,206 |
| 2026-06-02 | Wong-Sarad Grace Principal Accounting Officer | Sale | −5,709 | $1.97 | $11K | 98,936 |
| 2026-06-02 | Berkley Neil Lindsay CFO & Chief Business Officer | Sale | −19,360 | $1.97 | $38K | 379,900 |
Page 3 of 23 · 454 trades